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3-Dimensional reconstruction of the condylar and mandibular movements by a new noninvasive system
Kang, D. W.,Lim, S. L.,Kim, Y. L. 朝鮮大學校 口腔生物學硏究所 1991 口腔生物學硏究 Vol.15 No.-
Purpose of this work was to analyze the condylar and mandibular movements by developing a computer based system for fully automatic motion analysis based on a geometrical method in three dimentions. This system is composed two CCD TV cameras and dedicated hardware that analyzes in real time the TV image of 9 passive markers located on the subject's face during their motion : the data are elaborated using an AT IBM personal computer which controls the simultaneous acquisition of analog signals and the three dimensional reconstruction of the markers. This system shows the three dimensional reconstruction of the condylar and mandibular movement with a great accuracy and repetibility during opening and closing, protrusive and laterotrusive movements and their time's function, speed and acceleration are possible. Therefore, this method will be providing an opportunity to obtain more information about TMJ biomechanics in normal subjects and in patients with joint dysfunctions.
변문걸(W.J. Bian),박정국(Z.G. Piao),임홍우(H.W. Lim),이강연(K.Y. Lee),조금배(G.B. Cho),백형래(H.L. Baek) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.7
The solar power system comprises a solar battery that directly converts light energy to electrical energy with a photovoltaic effect and a power converter system, that is, inverter that converts direct current power, which is generated from solar battery to common alternating current. In this paper, database was constituted through remote monitoring supervision measurement for the long-time positive operation of 3㎾ solar power system installed within the solar energy positive research complex of Chosun University. As a result of analyzing the reduction of the efficiency of solar battery and inverter that are compositional components of PV system through an analysis on the acquired data, the PV output was proven over 65% of the total output when insolation intensity exceeded 600W/m2 in 2005, and the array conversion efficiency dropped much more than rating; meanwhile, insolation intensity dropped below 600W/m2. Therefore, it has been demonstrated that approximately 35% of the entire amount of PV output operated under the condition that the inverter efficiency rate dropped rapidly by 60 to 70%.
강원도에서 토양과 기후 데이터베이스를 이용한 청보리의 재배 적지 구분
김경대 ( K D Kim ),성경일 ( K I Sung ),주진호 ( J H Joo ),김병완 ( B W Kim ),팽경륜 ( J L Peng ),이배훈 ( B H Lee ),잘일가세미네자드 ( J G Nejad ),조무환 ( M H Jo ),임영철 ( Y C Lim ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2013 강원 농업생명환경연구 Vol.25 No.3
본 연구는 토양과 기후 데이터베이스를 이용하여 조사료 재배적지 기준 설정 연구의 일환으로 청보리를 대상으로 강원도에서의 재배가능지역을 추정하였다. 토양요인항목으로는 토양 물리성인 토성, 배수, 경사, 유효토심 및 암반노출, 토양화학성인 토양산도, 토양염류도 및 유기물함량을 선정하고 기준값 및 가중치를 설정하였다. 기후요인항목으로는 1월 일최저온도 평균, 3-5월의 평균온도, 9-12월의 5℃ 이상 일수, 10-5월의 강수일수와 강수량 그리고 3월에서 5월까지의 일조시간을 선정하고 기준값 및 가중치를 설정하였다. 토양요인의 관점에서 강원도에서 청보리의 재배가능지 및 재배최적지는 영동지방의 경우 고성, 속초, 양양, 강릉, 동해 및 삼척이며 주로 경사가 완만한 해안지역에 분포하고 있었다. 영서지방은 철원, 양구, 춘천, 원주, 횡성, 평창 및 정선에 주로 분포하고 있었다. 기후요인의 관점에서 강원도는 대부분이 50점이상이었으며, 재배가능지는 고성, 속초, 양양, 강릉, 동해 및 삼척의 해안지역과 철원, 양구, 춘천, 원주, 횡성, 평창 및 정선 일부 지역이 포함되었다. 이상의 결과로부터 강원도에서 토양과 기후요인을 고려한 청보리의 재배가능지 및 재배최적지는 영동지방의 고성, 속초, 양양, 강릉, 동해 및 삼척의 해안지역을 중심으로 가능하였고, 영서지방의 철원, 양구, 춘천, 원주, 횡성, 평창 및 정선 일부지역에서 재배가능지로 나타나고 있다. 향후 청보리의 재배적지 연구를 위해서는 일조시간에 대한 전자정보의 확보가 이루어진다면, 더욱 정밀한 청보리 재배 적지의 예상이 가능할 것으로 판단된다. As a part of establishing suitability classification for forage production, use of the national soil and climate database was attempted for Whole crop barley (Hordeum vulgare var. hexastichon (L.) Asch.) in Gangwon Province. The soil data base were from Heugtoram of the National Academy of Agricultural Science, and the climate data base were from the National Center for Agro-Meteorology, respectively. Soil physical properties including soil texture, drainage, slope available depth and surface rock contents, and soil chemical properties including soil acidity and salinity, organic matter content were selected as soil factors. The criteria and weighting factors of these elements were scored. Climate factors including average daily minimum temperature in January, average temperature from March to May, the number of days of which average temperature was higher than 5℃ from September to December, the number of days of precipitation and its amount from October to May of the following year, and sunshine hours from March to May were selected, and criteria and weighting factors were scored. The electronic maps were developed with these scores using the national data base of soil and climate. Based on soil scores, the area of Goseong, Sogcho, Yangyang, Gangreung, Donghea and Samcheog in east coastal region with gentle slope were classified as the possible and/or the proper area for Whole crop barley cultivation in Gangwon Province. The lands with gentle or moderate slope of Cheolwon, Yanggu, Chuncheon, Wonju, Hweongseong, Pyungchang and Jeongsun in west side slope of Taebaeg mountains were classified as the possible and/or proper area as well. Based on climate score, the east coastal area of Goseong, Sogcho, Yangyang, Gangreung and Samcheog could be classified as the possible or proper area. Most area located on west side of the Taebaeg mountains were classified as not suitable for Whole crop barley production. In scattered area in Cheolwon, Yanggu, Chuncheon, Wonju, Hweongseong, Pyungchang and Jeongsun, where the scores exceeded 50, the Whole crop barley cultivation should be carefully managed for good production. As a results, based on soil with climate the area of Goseong, Sogcho, Yangyang, Gangreung, Donghea and Samcheog in east coastal region with gentle slope and some area of Cheolwon, Yanggu, Chuncheon, Wonju, Hweongseong, Pyungchang and Jeongsun were classified as the possible and/or the proper area for Whole crop barley cultivation in Gangwon Province. For better application of electronic maps of whole crop barley, acurate study will be possible if a data comfirmed on th shine hours is achieved.
Current Transport Characteristics of 22.9 ㎸ High Temperature Superconducting Cable System
손송호(S. H. Sohn),임지현(J. H. Lim),류희석(H. S. Ryoo),양형석(H. S. Yang),최하옥(H. O. Choi),마용호(Y. H. Ma),김동락(D. L. Kim),류경우(K. W. Ryu),성태현(T. H. Sung),현옥배(O. B. Hyun),임성우(S. W. Lim),황시돌(S. D. Hwang) 대한전기학회 2008 대한전기학회 학술대회 논문집 Vol.2008 No.7(초록집)